<div class="ma-tree-select transition-none"
  ng-disabled="disabled">
  <div class="custom-multi-select form-control ui-select-container ui-select-multiple select2 select2-container select2-container-multi ng-isolate-scope ng-not-empty ng-valid custom-tree-select custom-static-select">

    <div class="ui-select-dropdown select2-drop select2-with-searchbox select2-drop-active select2-display-none">
      <div class="search-container select2-search">
        <div class="ma-input ma-input-search-normal"
          ng-disabled="disabled">
          <input type="text"
            autocomplete="off"
            autocorrect="off"
            autocapitalize="off"
            spellcheck="false"
            role="combobox"
            aria-expanded="true"
            aria-owns="ui-select-choices-0"
            aria-label="Select box"
            class="select2-input ui-select-search ng-pristine ng-valid ng-empty ng-touched"
            ng-model="$ctrl.searchKey"
            ng-disabled="disabled"
            ondrop="return false;">
        </div>
      </div>
      <ul tabindex="-1"
        ng-class="{'has-search': $ctrl.searchKey}"
        class="ui-select-choices ui-select-choices-content select2-results ng-scope">

      </ul>
    </div>
  </div>
</div>
